{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["place of birth", "place of death", "children", "nationality"], "input": " Frank Stanton , a central figure in the development of television broadcasting in the United States and the industry 's most articulate and persuasive spokesman during his nearly three decades as president of CBS , died Sunday afternoon at his home in Boston , a longtime friend , Elizabeth Allison , said . "}
{"place of birth": [], "place of death": [{"subject": "Frank Stanton", "object": "Boston"}], "children": [], "nationality": []}